Which returned more over the last year, MUB or SPSB?

In the year to Oct 28, 2026, with distributions reinvested, MUB returned −0.4% and SPSB +2.2%.

Which is cheaper, MUB or SPSB?

SPSB is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

MUB vs SPSB: Differences, Returns & Fees

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MUB's duration was 7.0 years on Aug 31, 2026 and SPSB's 1.8 on Jun 30, 2026; SPSB charges 0.04% to MUB's 0.05%.

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Net assets on Oct 27, 2026: $54.1bn for iShares National Muni Bond ETF and $11.3bn for State Street SPDR Portfolio Short Term Corporate Bond ETF.

MUB on its own →SPSB on its own →

At a glance

−0.4%

MUB total return, 1 year

+2.2%

SPSB total return, 1 year

0.05%

MUB expense ratio

0.04%

SPSB expense ratio

Pair scorecard

SPSB costs 0.01 points a year less; their one-year returns differ by 2.6 points; MUB is 4.8 times larger.

MUB vs SPSB: Differences, Returns & Fees
Measure	MUB	SPSB
Return
Measure	MUB	SPSB
Total return, 1 year	−0.4%	+2.2%
Benchmark
Measure	MUB	SPSB
What it tracks	ICE AMT-Free US National Municipal Index	Bloomberg U.S. 1-3 Year Corporate Bond Index
Cost and size
Measure	MUB	SPSB
Expense ratio	0.05%	0.04%
Net assets, as of Oct 27, 2026	$54.1bn	$11.3bn
Holdings
Measure	MUB	SPSB
Holdings in common	0%

Holdings in common uses holdings dated Jun 30, 2026 and Aug 31, 2026. Method

What they share

By the books each fund has filed, MUB and SPSB hold 0% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Aug 31, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first MUB SPSB

Only in one fund ↓

Only in MUB

Board of Regents of the University of Texas System, Series 2025B, due Aug 15, 2036 0.18%

San Antonio Water System, Series 2025D, due May 1, 2055 0.15%

New York State Thruway Authority, Series 2022A, due Mar 15, 2048 0.15%

New York State Dormitory Authority, Series 2019D, due Feb 15, 2047 0.13%

Northwest Independent School District, Series 2025, due Feb 15, 2055 0.12%

Houston Higher Education Finance Corp., Series 2024, due May 15, 2034 0.12%

State of New Jersey, Series 2020A, due Jun 1, 2028 0.12%

Ohio State University (The), Series 2026A, due Jun 1, 2035 0.12%

Only in SPSB

Salesforce Inc, due Mar 15, 2029 0.56%

AerCap Ireland Capital DAC / AerCap Global Aviation Trust, due Oct 29, 2028 0.44%

Bank of America Corp, due Dec 20, 2028 0.42%

Citigroup Inc, due Mar 4, 2029 0.42%

Morgan Stanley, due Apr 10, 2030 0.38%

JPMorgan Chase & Co, due Jul 25, 2028 0.38%

Pfizer Investment Enterprises Pte Ltd, due May 19, 2028 0.37%

Sprint Capital Corp, due Nov 15, 2028 0.37%

Check overlap with more funds →

Side by side

MUB iShares National Muni Bond ETF SPSB State Street SPDR Portfolio Short Term Corporate Bond ETF

Where it sits Bond ETF Bond ETF

Issuer iShares State Street

What it is Tracks an index of National Muni Bond Tracks an index of Short Term Corporate Bond

Total return, 1 year −0.4% +2.2%

Its benchmark over the same days not measured −1.4% (AGG)

Gap to its benchmark not measured +3.6 pts vs AGG

Expense ratio 0.05% 0.04%

Holdings 7873 1684

Net assets, as of Oct 27, 2026 $54.1bn $11.3bn

MUB and SPSB on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Alert

About each fund

MUB

MUB tracks an index of National Muni Bond. Over the year to Oct 28, 2026 it returned −0.4% with distributions reinvested. The prospectus expense ratio is 0.05% a year.

SPSB

SPSB tracks an index of Short Term Corporate Bond. Over the year to Oct 28, 2026 it returned +2.2% with distributions reinvested, against −1.4% for its benchmark, the Bloomberg U.S. Aggregate Bond Index. The prospectus expense ratio is 0.04% a year.

Questions people ask

Which returned more over the last year, MUB or SPSB?: In the year to Oct 28, 2026, with distributions reinvested, MUB returned −0.4% and SPSB +2.2%.
Which is cheaper, MUB or SPSB?: SPSB is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

IGSB vs MUB MUB vs VCSH BSV vs MUB BOND vs MUB SPSB vs VTEB HYMB vs SPSB SPSB vs TIP PFF vs SPSB

Where to next

MUB on its own →SPSB on its own →Hold both: look the portfolio through →Rankings →MUB dividend history →MUB holdings →SPSB dividend history →SPSB holdings →Standards and sources →

Sources and dates

MUB filings on SEC EDGAR ↗

MUB prospectus with the expense ratio (SEC) ↗

iShares page for MUB ↗

SPSB filings on SEC EDGAR ↗

SPSB prospectus with the expense ratio (SEC) ↗

State Street website ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, MUB against SPSB, data as of Oct 28, 2026. https://etfiq.com/compare/any/mub-vs-spsb

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.